endocrine system Flashcards
(6 cards)
1
Q
what are hormones
A
chemical messengers and circulate blood stream to reach a target area
2
Q
is it slower or quicker than nervous system
A
slower
3
Q
name main glands
A
pituitary, adrenal and reproductive
4
Q
what is it regulated by
A
negative feedback
5
Q
function of the thyroid gland
A
releases thyroxine which increases heart rate and growth
6
Q
function of the adrenal gland
A
released adrenaline which causes fight or flight through increasing activity of sympathetic branch